Respiratory System

Respiration is the process of oxidation of food substances in the body to release energy.

2.

Respiration through lungs is called pulmonary respiration. It takes place in Mammals. Birds and Reptiles.

3.

Respiration through Gills is called Bronchial respiration. It takes place in fishes and Todpole larva of Frog.

4.

Respiration through skin is called cutaneous respiration Respiration through skin takes place in earthworm, leech and salamanders. Haemoglobin is present in the plasma of blood in Earthworm. Coelomic fluid is present in Earthworm.

5.

Respiration through tracheal tubes is called tracheal respiration. It takes place in cockroach. The colour of blood of Cockroach is white. There are 10 pairs of Stigma in Cockroach.

6.

Respiration takes place through diffusion in Amoeba, paramoecium and Euglena.

7.

In Frog, Earthworm and Salamander respiration takes place through the skin. In Frog glands on the skin secrete mucus. Frogs jump into water to keep skin wet and moist.

8.

In frog respiration also takes place through lungs.

9.

Cutaneous respiration takes place in Earthworm. Its skin has a large number of blood vessels.

10.

Lungs are the chief respiratory organs in mammals.

12.

The gas exchange between blood and respiratory organs is called External respiration.

13.

The gas exchange between blood and cells is called Internal Respiration.